1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 function toSurrogatePair(c) { 6 return String.fromCharCode(((c - 0x10000) >>> 10) & 0x3FF | 0xD800) + 7 String.fromCharCode(c & 0x3FF | 0xDC00); 8 } 9 10 function testIdStart(c, is_id_start) { 11 var source = "var " + toSurrogatePair(c); 12 print(source); 13 if (is_id_start) { 14 assertDoesNotThrow(source); 15 } else { 16 assertThrows(source); 17 } 18 } 19 20 function testIdPart(c, is_id_start) { 21 var source = "var v" + toSurrogatePair(c); 22 print(source); 23 if (is_id_start) { 24 assertDoesNotThrow(source); 25 } else { 26 assertThrows(source); 27 } 28 } 29 30 [0x10403, 0x1043C, 0x16F9C, 0x10048, 0x1014D].forEach(function(c) { 31 testIdStart(c, true); 32 testIdPart(c, true); 33 }); 34 35 [0x101FD, 0x11002, 0x104A9].forEach(function(c) { 36 testIdStart(c, false); 37 testIdPart(c, true); 38 }); 39 40 [0x10111, 0x1F4A9].forEach(function(c) { 41 testIdStart(c, false); 42 testIdPart(c, false); 43 }); 44
